package cn.newtouch.controller;

import cn.newtouch.domian.User;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
@RequestMapping("/order")
public class OrderController {

    @Autowired
    private RestTemplate restTemplate;

    //方法熔断
    @HystrixCommand(fallbackMethod = "getByIdFallback")
    @GetMapping("/getById/{id}")
    public User getById(@PathVariable("id") Long id){

        String url="http://user-server/user/getById/"+id;

        return restTemplate.getForObject(url,User.class);
    }

    //降级方法 ， 参数和返回值必须和被熔断的方法一致 ，方法名要和  fallbackMethod 的值一致
    public User getByIdFallback(@PathVariable("id") Long id){
        return new User(-1L,"熔断了","已达到熔断要求，服务中止！！");
    }
}
